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Note 15 - Accumulated Other Comprehensive Income ("AOCI") (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2015
Note 15 - Accumulated Other Comprehensive Income ("AOCI") (Details) [Line Items]  
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax $ 9.2us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
CANADA  
Note 15 - Accumulated Other Comprehensive Income ("AOCI") (Details) [Line Items]  
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax 6.5us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
/ us-gaap_StatementGeographicalAxis
= country_CA
Latin America [Member]  
Note 15 - Accumulated Other Comprehensive Income ("AOCI") (Details) [Line Items]  
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax $ (15.7)us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
/ us-gaap_StatementGeographicalAxis
= us-gaap_LatinAmericaMember